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Distribución de los recursos visuo-atencionales al leer múltiples palabras

Valentina Bandiera¹, Lisa S Arduino¹, Roberta Daini^2,3

¹Human Science Department, LUMSA University, Rome, Italy.

|February 2, 2026

Resumen

El procesamiento semántico en la parafóvea ocurre en paralelo con el procesamiento de palabras foveales. Los recursos atencionales se distribuyen uniformemente, pero una alta carga foveal puede dificultar la extracción de información parafoveal.

Área de la Ciencia:

Psicología cognitiva
Percepción visual
Neurociencia

Sus antecedentes:

Investigaciones previas sugieren que el procesamiento semántico ocurre en la parafóvea.
El paradigma de Presentación Visual Rápida Paralela (RPVP) permite estudiar el procesamiento parafoveal junto con el procesamiento foveal.
La relación semántica influye en la precisión del procesamiento de palabras parafoveales y en los tiempos de respuesta.

Objetivo del estudio:

Proporcionar evidencia adicional del procesamiento semántico paralelo.
Investigar la disponibilidad y distribución de los recursos atencionales durante la relación semántica.
Comprender cómo la frecuencia de las palabras foveales impacta el procesamiento parafoveal.

Principales métodos:

Replicación del paradigma RPVP con presentación simultánea de palabras (W1 en fovea, W2 en parafóvea).
Manipulación de la frecuencia de las palabras y la relación semántica.
Inclusión de una tarea de detección de sondas para evaluar la asignación de recursos atencionales.

Principales resultados:

Se replicaron los hallazgos previos sobre la relación semántica y la precisión/tiempos de respuesta.
La detección de sondas se facilitó tanto en ubicaciones foveales como parafoveales para palabras de alta frecuencia semánticamente relacionadas.
La baja frecuencia de la palabra foveal (W1) dificultó el procesamiento parafoveal, afectando la detección de sondas.
Se encontró que los recursos atencionales se distribuían uniformemente entre las palabras foveales y parafoveales, independientemente de la posición de la sonda.

Conclusiones:

La información semántica se procesa en paralelo con la información foveal.
Los recursos atencionales se distribuyen de manera flexible pero pueden verse sobrecargados por demandas elevadas de la tarea foveal.
El procesamiento parafoveal es eficiente cuando la tarea foveal no es exigente.

Palabras clave:

procesamiento semántico atención visual parafóvea carga foveal percepción visual

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